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Finding the Fourth Proportional to 227,937.60, 342,187.20 and 143,697.60

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Solution

The fourth proportional to 227,937.60, 342,187.20 and 143,697.60 is: 215,723.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,937.60 : 342,187.20 = 143,697.60 : x
  2. Step 2: Convert to fraction form
    227,937.60/342,187.20 = 143,697.60/x
  3. Step 3: Cross multiply
    227,937.60x = 342,187.20 × 143,697.60
  4. Step 4: Simplify right side
    227,937.60x = 49,171,479,390.72
  5. Step 5: Solve for x
    x = 49,171,479,390.72/227,937.60
  6. Step 6: Final answer
    x = 215,723.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.